Pseudotsuga menziesii
Vanhu vazhinji vanosarudza firg Douglas semiti yavo yeKrisimasi gore roga roga. Zita iri zvishoma rinotsausa, sezvo izvi hazvisi zve fir genus ( Abhies ). Iyo Douglas fir ndeimwe yemakona makuru kwazvo. Oregon yakasarudza ichi semuti waro wemuti.
Latin Name
The Douglas fir haisi firiti yechokwadi. Zita rejeri ( Pseudotsuga ) rinoratidza kuti izvi zvakafanana nemiti yehemlock. Pseudo- inoreva nhema, uye Tsuga ndiyo yega ye hemlocks.Marudzi ari menziesii.
Uyu muti ndeimwe yemiti yakawanda inowanikwa mumhuri yePinaceae. Mimwe misidhari, iyo inonzi deciduous conifers ( Glyptostrobus , Larix , Metasequoia , Pseudolarix , uye Taxodium ), miti yemisipiresi , miti yemapine , uye miti yepruce .
Mazita Anowanikwa
Kunze kwaDouglas fir, mamwe mazita angangosanganisira Doug-fir, nhema dzenhema, firiji yakatsvuka, Oregon pine, Douglas pine, yellow fir uye Douglas spruce. Pseudotsuga menziesii var. menziesii ndiro gungwa Douglas fir. Pseudotsuga menziesii var. glauca inogona kunzi iyo yekatikati Douglas fir kana Rocky Mountain Douglas fir.
Yakasarudzwa USDA Hardiness Zones
Kana iwe uchigara muZonesheni 4-6, izvi zvinogona kuva muti wemizambiringa iwe.
Kukura uye Chimiro
Iyi yakareba conifer inogona kusvika kunzvimbo dzakakwirira kubva pane 40 'kusvika pane 300' yakareba, asi pane zviduku zvishoma zvinowanikwa munzvimbo yeimba. Apo inokura, firg Douglas inoumba mufananidzo wepiramidi.
Kuchengetedza
Iyo Douglas fir inofanira kunge yakazara zuva rose pose paunodyara.
Mashizha / Maruva / Zvibereko
Iyo Douglas fir is monoecious uye vose varume nevakadzi strobili inobudiswa pamuti. Iko tsvuku tsvuku yakareba uye ine bracts dzakasiyana dzinobuda pakati pezviyero.
Kugadzira Mazano
Usasima ichi chine ruvara rwegorova munzvimbo inenge iine mvura.
Kukura Mazano
Iyo ivhu rakakosha yemuti uyu inonzi acidic loam iyo inoyerera.
Iwe unogona kushanda pakuita kuti ivhu rako rive rakawanda .
Maintenance / Pruning
Douglas fir anonyanya kusiyiwa ari oga kusvika pakuchekerera kunofamba kunze kwekunge inoda kugadziriswa pamakwenzi akaora, anorwara, kana akafa .
Zvidyara & Zvirwere
Pane zvipembenene uye zvirwere zvinogona kuchinja Douglas fir yako, asi kazhinji haufaniri kunge uine matambudziko makuru. Dzinosanganisira:
Zvipembenene
- Black pine leaf scale ( Nuculaspis californica )
- Black weevil ( Otiorhynchus sulcatus )
- Gadzirai svondo yeevil weevil ( Pissodes spp. )
- Cooley spruce gall adelgid ( Adelges cooleyi )
- Douglas-fir bark beetle ( Dendroctonus pseudotsugae )
- Douglas-fir bud mite ( Trisetacus pseudotsugae )
- Douglas-fir cone gall midge ( Contarinia oregonensis )
- Douglas-fir cone moth ( Barbara colfaxìana )
- Douglas-fir mbira mistletoe ( Arceuthobium do / i>)
- Douglas-fir pitch moth (Synanthedon novaroensis)
- Douglas-fir mbeu chalcid ( Megastigmus spermotrophus )
- Douglas-fir tussock moth ( Orgyia pseudotsugata )
- Douglas-fir twig weevil ( Cylindrocopturus furnissi )
- Elongate hemlock scale ( Fiorinia externa )
- Kuwa webworm ( Hyphantria cunea )
- Mhuri yakawanda ( Dioryctria abietìvorella )
- Giant conifer aphid ( Cinara spp. )
- Monterey pine aphid ( Essigella californica )
- Pine needle scale ( Chionaspis pinifoliae )
- Sirivha-yakatarwa tiger moth ( Halsidota argentata )
- Spruce aphid ( Elatobium abietina )
- Nyuchi yemvura adelgid ( Adelges abietis uye Adelges cooleyi )
- Spruce spider mite ( Oligonychus ununguis )
- Western pine spittlebug ( Aphrophora fulva )
- Western spruce budworm ( Choristoneura fumiferana )
Zvirwere
- Heart rot fungi
- Ivhu rakasvibiswa midzi (Phellinus weirii)
- Needlecast ( Rhabdocline pseudotsugae )
- Rutsvuku rwonzi (Phellinus pini )
- Kupisa midzi yakaoma (Armillaria mellea)